Line data Source code
1 : /* yesno.c - Yes/No questions
2 : * Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
3 : *
4 : * This file is part of GnuPG.
5 : *
6 : * GnuPG is free software; you can redistribute it and/or modify
7 : * it under the terms of the GNU General Public License as published by
8 : * the Free Software Foundation; either version 3 of the License, or
9 : * (at your option) any later version.
10 : *
11 : * GnuPG is distributed in the hope that it will be useful,
12 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : * GNU General Public License for more details.
15 : *
16 : * You should have received a copy of the GNU General Public License
17 : * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 : */
19 :
20 : #include <config.h>
21 : #include <stdlib.h>
22 : #include <errno.h>
23 :
24 : #include "i18n.h"
25 : #include "util.h"
26 :
27 :
28 : /* Check the string S for a YES or NO answer and take care of
29 : localization. If no valid string is given the value of DEF_ANSWER
30 : is returned. Returns 1 for yes and 0 for no. */
31 : int
32 0 : answer_is_yes_no_default (const char *s, int def_answer)
33 : {
34 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
35 0 : const char *long_yes = _("yes");
36 0 : const char *short_yes = _("yY");
37 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
38 0 : const char *long_no = _("no");
39 0 : const char *short_no = _("nN");
40 :
41 : /* Note: we have to use the local dependent compare here. */
42 0 : if ( match_multistr(long_yes,s) )
43 0 : return 1;
44 0 : if ( *s && strchr( short_yes, *s ) && !s[1] )
45 0 : return 1;
46 : /* Test for "no" strings to catch ambiguities for the next test. */
47 0 : if ( match_multistr(long_no,s) )
48 0 : return 0;
49 0 : if ( *s && strchr( short_no, *s ) && !s[1] )
50 0 : return 0;
51 : /* Test for the english version (for those who are used to type yes). */
52 0 : if ( !ascii_strcasecmp(s, "yes" ) )
53 0 : return 1;
54 0 : if ( *s && strchr( "yY", *s ) && !s[1] )
55 0 : return 1;
56 0 : return def_answer;
57 : }
58 :
59 : int
60 0 : answer_is_yes ( const char *s )
61 : {
62 0 : return answer_is_yes_no_default(s,0);
63 : }
64 :
65 : /****************
66 : * Return 1 for yes, -1 for quit, or 0 for no
67 : */
68 : int
69 0 : answer_is_yes_no_quit ( const char *s )
70 : {
71 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
72 0 : const char *long_yes = _("yes");
73 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
74 0 : const char *long_no = _("no");
75 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
76 0 : const char *long_quit = _("quit");
77 0 : const char *short_yes = _("yY");
78 0 : const char *short_no = _("nN");
79 0 : const char *short_quit = _("qQ");
80 :
81 : /* Note: we have to use a local dependent compare here. */
82 0 : if ( match_multistr(long_no,s) )
83 0 : return 0;
84 0 : if ( match_multistr(long_yes,s) )
85 0 : return 1;
86 0 : if ( match_multistr(long_quit,s) )
87 0 : return -1;
88 0 : if ( *s && strchr( short_no, *s ) && !s[1] )
89 0 : return 0;
90 0 : if ( *s && strchr( short_yes, *s ) && !s[1] )
91 0 : return 1;
92 0 : if ( *s && strchr( short_quit, *s ) && !s[1] )
93 0 : return -1;
94 : /* but not here. */
95 0 : if ( !ascii_strcasecmp(s, "yes" ) )
96 0 : return 1;
97 0 : if ( !ascii_strcasecmp(s, "quit" ) )
98 0 : return -1;
99 0 : if ( *s && strchr( "yY", *s ) && !s[1] )
100 0 : return 1;
101 0 : if ( *s && strchr( "qQ", *s ) && !s[1] )
102 0 : return -1;
103 0 : return 0;
104 : }
105 :
106 : /*
107 : Return 1 for okay, 0 for for cancel or DEF_ANSWER for default.
108 : */
109 : int
110 0 : answer_is_okay_cancel (const char *s, int def_answer)
111 : {
112 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
113 0 : const char *long_okay = _("okay|okay");
114 : /* TRANSLATORS: See doc/TRANSLATE about this string. */
115 0 : const char *long_cancel = _("cancel|cancel");
116 0 : const char *short_okay = _("oO");
117 0 : const char *short_cancel = _("cC");
118 :
119 : /* Note: We have to use the locale dependent compare. */
120 0 : if ( match_multistr(long_okay,s) )
121 0 : return 1;
122 0 : if ( match_multistr(long_cancel,s) )
123 0 : return 0;
124 0 : if ( *s && strchr( short_okay, *s ) && !s[1] )
125 0 : return 1;
126 0 : if ( *s && strchr( short_cancel, *s ) && !s[1] )
127 0 : return 0;
128 : /* Always test for the English values (not locale here). */
129 0 : if ( !ascii_strcasecmp(s, "okay" ) )
130 0 : return 1;
131 0 : if ( !ascii_strcasecmp(s, "ok" ) )
132 0 : return 1;
133 0 : if ( !ascii_strcasecmp(s, "cancel" ) )
134 0 : return 0;
135 0 : if ( *s && strchr( "oO", *s ) && !s[1] )
136 0 : return 1;
137 0 : if ( *s && strchr( "cC", *s ) && !s[1] )
138 0 : return 0;
139 0 : return def_answer;
140 : }
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